Dive Site: Mitsio Wreck

About Mitsio Wreck

The Mitsio Wreck lies on the seabed of the Mitsio Archipelago, a pristine and secluded diving destination off Madagascar's northwest coast. This site, located a 30-minute boat ride from a local lodge, offers a deep dive experience best suited for advanced divers, particularly with nitrox for extended bottom time. While the Mitsio Archipelago is known for its healthy coral and diverse marine life, the wreck itself has become a vibrant artificial reef. It attracts a variety of fish, transforming from its original purpose into a rich underwater habitat. Divers here will discover a unique ecosystem formed around the sunken vessel. The wreck's structure provides shelter and hunting grounds for numerous camouflaged species, creating an immersive experience for those prepared for its depths. Positioned in an area less impacted by human activity, the Mitsio Wreck showcases the natural regeneration of marine life around a man-made structure, making it a compelling dive for those seeking both history and vibrant biodiversity.

Dive site facts: Mitsio Wreck

Depth

26 m+

Typical dive

27m, ~41 min

Current

Variable

Visibility

Good, can decrease with plankton

Water temperature

24-29°C

Entry

Boat

Level

Experienced, deep dive specialty recommended

Dive type

Wreck, deep, macro, photography

Region / port

Nosy Be, Mitsio Archipelago

Coordinates

12.7937° S, 48.6010° E

Conditions & Currents

Currents in the Nosy Be region, where the Mitsio Wreck is located, can vary from weak to strong depending on the specific site and tidal conditions. Divers should anticipate variable currents around the wreck and maintain good buoyancy control to avoid contact with the fragile marine ecosystem. Visibility is typically good, though it can decrease significantly during plankton blooms, which, conversely, may attract larger pelagic species. The dive requires careful planning due to its depth, necessitating consideration of gas consumption and decompression limits. Entry is typically from a boat, and divers should be prepared for potential drift conditions. The site is reserved for more experienced divers, implying an understanding of managing deeper profiles and unpredictable water movement.

Marine life & sighting chances

Scorpionfish

common

Stonefish

common

Crocodilefish

common

Nudibranchs

common

Groupers

common

Parrotfish

common

Fan coral

common

Whale sharks

September-November · occasional

Manta rays

April-July, September-November · occasional

Reef sharks

occasional

Dive profile & how the dive runs

Access to the Mitsio Wreck is typically via boat, requiring a descent to the seabed, which starts at a depth of at least 26 meters. As the wreck sits deeper, the dive primarily explores its structure, descending to depths up to 27 meters. Divers typically spend around 41 minutes underwater, focusing on the exterior and accessible sections of the wreck where numerous camouflaged species reside. Due to the deep profile and extended bottom time, nitrox is recommended to maximize exploration and reduce nitrogen loading. The route usually involves circling the wreck to observe its inhabitants, paying close attention to small, hidden creatures. The safety stop is conducted as standard procedure at 5 meters, allowing for decompression and marine observation before surfacing.

Underwater photography

The Mitsio Wreck offers excellent opportunities for macro and wide-angle photography, though the depth requires good lighting. For macro subjects like scorpionfish, stonefish, crocodilefish, and nudibranchs, a dedicated macro lens and strobes are essential to highlight their intricate details and vibrant colors against the dim background. Wide-angle shots can capture the overall structure of the wreck and its relationship with the surrounding environment, especially if pelagic encounters occur. Due to the minimum depth of 26 meters, external lighting is crucial to bring out the true colors. Buoyancy control is paramount to avoid disturbing the silty bottom and marine life, as well as to safely navigate around the wreck. Avoid touching marine life or structures, and be mindful of your fin kicks.

Combine with nearby dive sites

• The Arches

  Rocky formations with small caves and schools of trevallies

• Boboss Epave

  Trawler wreck and two large reef potatoes with macro life

• Atnam

  Stunning underwater landscapes with occasional pelagic sightings

• Nosy Mitsio Pinnacles

  Underwater pinnacles with potential for whale sharks and pelagic fish

• Rosario

  Shallow reef known for whale shark potential

Getting there & logistics

Diving in the Mitsio Archipelago and visiting the Mitsio Wreck typically originates from Nosy Be, the main hub for diving in Madagascar. International flights arrive at Ivato International Airport (TNR) in Antananarivo, followed by a domestic flight to Nosy Be (NOS). Some airlines offer direct international flights to Nosy Be. Liveaboards are a popular option for exploring the remote Mitsio Archipelago, though some lodges offer day trips to nearby sites like the Mitsio Wreck, often involving a 30-minute boat ride. Dive packages usually include accommodation, daily dives, equipment, and transfers. Divers should carry their certification and logbook, and ensure their travel insurance covers diving. There may be marine park fees, but none are specifically mentioned for the Mitsio Wreck itself.

Safety & environment

The nearest recompression chamber to Nosy Be, which serves the Mitsio Wreck, is approximately 450 km away. In case of a serious dive emergency, evacuation can be complex and time-consuming, highlighting the critical importance of proper dive planning and adherence to safety protocols. Divers must carry comprehensive dive insurance that covers medical emergencies and evacuation. Site-specific hazards include the wreck's depth, which requires deep dive training and potentially nitrox certification to mitigate risks. Be mindful of camouflaged creatures like stonefish and scorpionfish, which are venomous; maintain excellent buoyancy control to avoid contact. All dives are no-decompression, with a maximum dive time of 60 minutes and a minimum one-hour surface interval. Always follow the instructions of your dive guide.

Who it suits — and who it doesn't

FAQ

Mitsio Wreck FAQ